Patents by Inventor Steven N. Engelson

Steven N. Engelson has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Penlite and method of assembling the same
    Patent number: 4559588
    Abstract: A penlite the body of which is made from two reinforced plastic half-bodies which are joined along one common edge by an integral web hinge.
    Type: Grant
    Filed: January 3, 1984
    Date of Patent: December 17, 1985
    Inventors: Steven N. Engelson, John McAnallan